Answer: A $2000
Step-by-step explanation:
Interest = prt / 100
= 5000 x .08 x 5
= 2000
 
        
             
        
        
        
Answer: y > -1/2x + 2 
Step-by-step explanation: first, in order to find the inequalities you should find the gradient by choosing two points from the line and you should you the formula m=y2-y1/x2-x1 to find the gradient. 
Next, you should find the y-intercept in order to complete the inequality it can be easily found as the y-intercept is the place where the line crosses the y axis
Then you create your equation { y = -1/2x + 2 } and then if above the line is shaded then it is {> greater than} and if below the line is shaded then it should be {< less than}
(so you should replace the equation with the lesser or greater sign according to the way the graph is shaded)
 
        
             
        
        
        
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Solution: We are given:
Predicted Sales by Sameera 
Actual Sales by Sameera 
Now to find the Percent error, we have to use the below formula:
 
 
                        
                        
                        
Therefore, the percent error is  
      
 
        
                    
             
        
        
        
It would take her about 15 seconds